In above question, speed of block A, when the extension in spring is (

1.	In above question, speed of block A, when the extension in spring is (x_(m))/(2), is:
Answer» `2g sqrt((m)/(K))` `2 G sqrt((2m)/(k))` `2g sqrt((2m)/(3k))` `g sqrt((4m)/(3k))` ANSWER :D

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